Title :
Dispenser Cathode Activation Behavior Relative to Surface Porosity as Seen in SEM Images
Author :
Tarter, J.O. ; Dawson, R.C. ; Williams, B.C.D. ; Khan, M.O.
Author_Institution :
Semicon Assoc., Lexington
Abstract :
This study reports on the initial activation behavior of dispenser cathodes with smeared pores, normal porosity, and with no visible pores, as viewed using an SEM.
Keywords :
cathodes; coatings; electron emission; inspection; osmium; porosity; scanning electron microscopy; surface phenomena; Os; SEM image inspection; dispenser cathode activation behavior; emission behavior; normal porosity; osmium coatings; smeared pores; surface porosity; Cathodes; Coatings; Inspection; Production; Surface contamination; Test facilities; Transistors; Activation; Coatings; Dispenser cathode; Emission; Porosity; SEM Inspection;
Conference_Titel :
Vacuum Electronics Conference, 2007. IVEC '07. IEEE International
Conference_Location :
Kitakyushu
Print_ISBN :
1-4244-0633-1
DOI :
10.1109/IVELEC.2007.4283254
